Équations équilibrées la veille |
2 HNO3 + 3 NaNO2 = 3 NaNO3 + 2 NO + H2O
SFe = FeS =>
SFe = FeS
Sb + Zn + H2O = SbH3 + Zn(OH)2 =>
2 Sb + 3 Zn + 6 H2O = 2 SbH3 + 3 Zn(OH)2
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
H2SO4(l) + Nh4OH = H2O + (Nh4)2SO4 =>
H2SO4(l) + 2 Nh4OH = 2 H2O + (Nh4)2SO4
C6H6 + HCl = C6H5Cl + H2 =>
C6H6 + HCl = C6H5Cl + H2
NaIO3 + NaHSO3 = NaHSO4 + Na2SO4 + H2O + I2 =>
2 NaIO3 + 5 NaHSO3 = 3 NaHSO4 + 2 Na2SO4 + H2O + I2
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
Na2SO4 + H2O = Na2SO4(H2O) =>
Na2SO4 + H2O = Na2SO4(H2O)
HC1 + Na3PO4 = H3PO4 + NaC1 =>
3 HC1 + Na3PO4 = H3PO4 + 3 NaC1
HClO + KI + H2SO4 = KCl + I2 + H2O + K2SO4 =>
2 HClO + 4 KI + H2SO4 = 2 KCl + 2 I2 + 2 H2O + K2SO4
UO2(NO3)2 + KOH = K2U2O7 + KNO3 + H2O =>
2 UO2(NO3)2 + 6 KOH = K2U2O7 + 4 KNO3 + 3 H2O
Nb + KClO3 + KOH = KNbO4 + KCl + H2O =>
6 Nb + 7 KClO3 + 6 KOH = 6 KNbO4 + 7 KCl + 3 H2O
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
SeO3 + H2 = H2SeO3 =>
SeO3 + H2 = H2SeO3
Sr(NO2)2 + Rb = Rb(NO2)2 + Sr =>
Sr(NO2)2 + Rb = Rb(NO2)2 + Sr
N2 + H2NH3 = N2H4 =>
3 N2 + 4 H2NH3 = 5 N2H4
Mg(aq) + CuBr2(aq) = Cu(s) + MgBr2(aq) =>
Mg(aq) + CuBr2(aq) = Cu(s) + MgBr2(aq)
C2H6S + O2 = CO2 + H2O + SO2 =>
2 C2H6S + 9 O2 = 4 CO2 + 6 H2O + 2 SO2
[Cd(NH3)4](OH)2 + CS(NH2)2 = CdS + NH2CN + H2O + NH3 =>
[Cd(NH3)4](OH)2 + CS(NH2)2 = CdS + NH2CN + 2 H2O + 4 NH3
C6H12O6(aq) = CH3CH2OH(aq) + CO2(aq) =>
C6H12O6(aq) = 2 CH3CH2OH(aq) + 2 CO2(aq)
Ca(s) + SnCl4(aq) = CaCl2(aq) + Sn(s) =>
2 Ca(s) + SnCl4(aq) = 2 CaCl2(aq) + Sn(s)
CN + S = SCN =>
CN + S = SCN
NaHCO3 + H3C6H5O7 = CO2 + H2O + Na3C6H5O7 =>
3 NaHCO3 + H3C6H5O7 = 3 CO2 + 3 H2O + Na3C6H5O7
CO(NH2)2(s) + O2(g) = N2(g) + CO2(g) + H2O(l) =>
2 CO(NH2)2(s) + 3 O2(g) = 2 N2(g) + 2 CO2(g) + 4 H2O(l)
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
Sm + Co + Si = SmCo2Si2 =>
Sm + 2 Co + 2 Si = SmCo2Si2
Li + Ni(No3)2 = LiNo3 + Ni =>
2 Li + Ni(No3)2 = 2 LiNo3 + Ni
C7H15N + O2 = CO2 + H2O + NO =>
4 C7H15N + 45 O2 = 28 CO2 + 30 H2O + 4 NO
C2H2 + CuCl = CCu + HCl =>
C2H2 + 2 CuCl = 2 CCu + 2 HCl
FeO2 = Fe + O =>
FeO2 = Fe + 2 O
Pb(OH)2 + AgNO3 = Pb(NO3)2 + AgOH =>
Pb(OH)2 + 2 AgNO3 = Pb(NO3)2 + 2 AgOH
HC2H3O2 + NaC2H3O2 = H2O + NaC3H3O2 =>
HC2H3O2 + 2 NaC2H3O2 = 2 H2O + 2 NaC3H3O2
SO4 + O2 = (SO4)2O =>
4 SO4 + O2 = 2(SO4)2O
CsNO3 + BaCl2 = CsCl + Ba(NO3)2 =>
2 CsNO3 + BaCl2 = 2 CsCl + Ba(NO3)2
K(s) + H2O(l) = H2(g) + KOH(aq) =>
2 K(s) + 2 H2O(l) = H2(g) + 2 KOH(aq)
SnCl2 + KNO3 + HCl = SnCl4 + N2O + KCl + H2O =>
4 SnCl2 + 2 KNO3 + 10 HCl = 4 SnCl4 + N2O + 2 KCl + 5 H2O
RbOH + HClO3 = RbClO3 + H2O =>
RbOH + HClO3 = RbClO3 + H2O
Mn4 + O2 + HBr2 = MnBr + H2O =>
2 Mn4 + O2 + 4 HBr2 = 8 MnBr + 2 H2O
Cr(oh)3 + KClO3 + NaOH = Na2CrO4 + KCl + H2O =>
Cr(oh)3 + 3 KClO3 + 6 NaOH = 3 Na2CrO4 + 3 KCl + 3 H2O
NiSO4 + Na2CO3 = NiCO3 + Na2SO4 =>
NiSO4 + Na2CO3 = NiCO3 + Na2SO4
NaBH4 + NiCl2 + H2O = NaCl + Ni + B(OH)3 + H2 =>
2 NaBH4 + NiCl2 + 6 H2O = 2 NaCl + Ni + 2 B(OH)3 + 7 H2
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
C13H18O7 + H2O = C6H12O6 + C7H8O2 =>
C13H18O7 + H2O = C6H12O6 + C7H8O2
MgBr2 + Na3AsO4 = Mg3(AsO4)2 + NaBr =>
3 MgBr2 + 2 Na3AsO4 = Mg3(AsO4)2 + 6 NaBr
CuO + H2 = H2O + Cu =>
CuO + H2 = H2O + Cu
SO2 + Br2 + H2O = H2SO4 + HBr =>
SO2 + Br2 + 2 H2O = H2SO4 + 2 HBr
C5H11N + CO2 = C6H11NO + O2 =>
2 C5H11N + 2 CO2 = 2 C6H11NO + O2
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